S.C. Code Ann. § 57-5-1100: Changing or closing existing private driveways or side-road entrances or exits; providing other access to highway.

Any such existing driveway or side-road entrance or exit constructed prior to February 16, 1956, and adjudged by the Department to be unsafe for the traveling public may be changed by the Department so as to eliminate any unsafe features or closed or displaced by substitution therefor of another driveway or side-road entrance or exit at such place or of such design as may be deemed safe, but no such existing side road or driveway may be closed unless other reasonable access to the highway is provided by a frontage road or otherwise.